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various small improvements and fixes

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This commit is contained in:
kub 2019-04-16 20:37:52 +02:00
parent f133766faa
commit d40a5af495
32 changed files with 372 additions and 241 deletions
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20
pico/32x/draw_arm.S
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@ -6,7 +6,7 @@
@* See COPYING file in the top-level directory.
@*
#include "pico/pico_int_o32.h"
#include "pico/pico_int_offs.h"
.extern Pico32x
.extern Pico
@ -74,7 +74,7 @@ Pico32xNativePal:
ldr lr,=Pico
ldr r10,=Pico32x
ldr r11, [lr, #OFS_Pico_est+OFS_EST_Draw2FB]
ldr r10,[r10, #0x40] @ Pico32x.vdp_regs[0]
ldrh r10,[r10, #0x40] @ Pico32x.vdp_regs[0]
add r9, lr, #OFS_Pico_est+OFS_EST_HighPal @ palmd
and r4, r2, #0xff
@ -118,6 +118,8 @@ Pico32xNativePal:
mov r7, r7, lsl #1
ldreqh r12,[r9, r7]
streqh r12,[r0], #2 @ *dst++ = palmd[*pmd]
.else
addeq r0, r0, #2
.endif
beq 2b @ loop_inner
@ -182,8 +184,8 @@ Pico32xNativePal:
ldrneb r8, [r5, #2]! @ r7,r8 - pixel 0,1 index
subs r6, r6, #1
blt 0b @ loop_outer
@ cmp r7, r8 @ is this really improving things?
@ beq 5f @ check_fill @ +8
cmp r7, r8 @ is this really improving things?
beq 5f @ check_fill @ +8
3: @ no_fill:
mov r12,r7, lsl #1
@ -242,7 +244,7 @@ Pico32xNativePal:
beq 6b
7: @ count_done
sub r5, r5, #4 @ undo readahead
sub r5, r5, #4 @ undo readahead
@ fix alignment and check type
sub r8, r5, lr
@ -268,14 +270,14 @@ Pico32xNativePal:
b 2b @ loop_inner
9: @ bg_mode:
ldrb r12,[r11],#1 @ MD pixel
ldrb r12,[r11],#1 @ MD pixel 0,1
ldrb lr, [r11],#1
cmp r3, lr, lsl #26 @ MD has bg pixel?
cmp r3, r12,lsl #26 @ MD pixel 0 has bg?
.if \do_md
mov r12,r12,lsl #1
ldrneh r12,[r9, r12] @ t = palmd[*pmd]
moveq r12,r7
cmp r3, lr, lsl #26
cmp r3, lr, lsl #26 @ MD pixel 1 has bg?
mov lr, lr, lsl #1
ldrneh lr, [r9, lr]
moveq lr, r7
@ -283,7 +285,7 @@ Pico32xNativePal:
strh lr, [r0], #2
.else
streqh r7, [r0]
cmp r3, lr, lsl #26
cmp r3, lr, lsl #26 @ MD pixel 1 has bg?
streqh r7, [r0, #2]
add r0, r0, #4
.endif